1) Item no.: XH7011 2) Diameter: 177 - 179mm 3) Width: 32mm 4) Hardness: 50 - 60 degrees 5) Roller h 1) Item no.: XH70112) Diameter: 177 - 179mm3) Width: 32mm4) Hardness: 50 - 60 degrees5) Roller hole:8.2mmmany style and colours, suitable for wheel collocation of different kinds of vehiclessuch as baby stroller, luggage barrow, shopping cart, golf vehicle, toy car,etc 7" lucky WHEEL